Oxygen barrier container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 81/20 (2006.01) B32B 27/06 (2006.01) B32B 27/08 (2006.01) B65D 65/40 (2006.01)

Patent

CA 2134358

An oxygen barrier laminate structure (10) for producing an aseptic, oxygen barrier packaging or container comprising a substrate (12) having an inner surface and an outer surface, a first low density polyethylene layer (14) coated on the outer surface of the substrate, a multi-layer oxygen barrier coextrusion (20) coated interior to the substrate and a second, thick, low density polyethylene layer (32) coated on the multi-layer coextrusion. An optional extra low density polyethylene layer (16) may be added on the inside of the substrate. A photic barrier layer may also be employed.

tructure laminée imperméable à l'oxygène (10) conçue pour la production d'un emballage ou contenant aseptique imperméable à l'oxygène. Comprend un substrat (12) ayant une surface intérieure et une surface extérieure, une première couche de polyéthylène de faible densité (14) revêtant la surface extérieure du substrat, un coextrudat multicouche imperméable à l'oxygène (20) revêtant l'intérieur du substrat et une deuxième couche, épaisse, de polyéthylène de faible densité (32) revêtant le coextrudat multicouche. Une couche supplémentaire optionnelle de polyéthylène de faible densité (16) peut revêtir l'intérieur du substrat. Une barrière photique peut aussi être employée.

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